Home / 8,704.38-12,013.56-5,167.51

Finding the Fourth Proportional to 8,704.38, 12,013.56 and 5,167.51

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Solution

The fourth proportional to 8,704.38, 12,013.56 and 5,167.51 is: 7,132.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,704.38 : 12,013.56 = 5,167.51 : x
  2. Step 2: Convert to fraction form
    8,704.38/12,013.56 = 5,167.51/x
  3. Step 3: Cross multiply
    8,704.38x = 12,013.56 × 5,167.51
  4. Step 4: Simplify right side
    8,704.38x = 62,080,172.06
  5. Step 5: Solve for x
    x = 62,080,172.06/8,704.38
  6. Step 6: Final answer
    x = 7,132.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.